Pocket-Size Pim Inspector

1. A handheld passive intermodulation (PIM) analyzing device comprising: a first and second components, wherein: the first component of the handheld PIM analyzing device is configured to transmit first and second signals over a signal transmission medium; and the second component of the handheld PIM analyzing device is configured to receive reflected signals corresponding to the transmitted first and second signals and configured to determine whether the frequencies of the received signals correspond to PIM signal frequencies associated with the transmitted first and second signals.

2. The PIM analyzing device of claim 1 , wherein the first signal has a first predetermined frequency and the second signal has a second predetermined frequency.

3. The PIM analyzing device of claim 1 , wherein the first and second signals comprise narrowband signals.

4. The PIM analyzing device of claim 3 , wherein the first and second signals comprise time division multiple access transmissions (TDMA) signals.

5. The PIM analyzing device of claim 1 , wherein the PIM signal frequencies associated with the transmitted first and second signals comprise at least third-order PIM signal frequencies that might be caused by the combined first and second signals.

6. The PIM analyzing device of claim 1 , wherein the PIM analyzing device further comprises a visual indicator configured to indicate presence of the detected PIM signals via an identifiable signal.

7. The PIM analyzing device of claim 6 , wherein the visual indicator comprises a light emitting diodes (LED), and wherein the identifiable signal comprises a blinking pattern.

8. A computer program product for detecting passive intermodulation (PIM), the computer program product comprising: one or more computer-readable storage devices and a plurality of program instructions stored on at least one of the one or more computer-readable storage devices, the plurality of program instructions comprising: program instructions to transmit first and second signals over a cellular transmission medium using a first component of a handheld PIM analyzing device; program instructions to receive reflected signals corresponding to the transmitted first and second signals using a second component of the handheld PIM analyzing device; and program instructions to determine whether the frequencies of the received signals correspond to PIM signal frequencies associated with the transmitted first and second signals using the second component of the handheld PIM analyzing device.

9. The computer program product of claim 8 , wherein the first signal has a first predetermined frequency and the second signal has a second predetermined frequency.

10. The computer program product of claim 8 , wherein the first and second signals comprise narrowband signals.

11. The computer program product of claim 8 , wherein the PIM signal frequencies associated with the transmitted first and second signals comprise at least third-order PIM signal frequencies that might be caused by the combined first and second signals.

12. The computer program product of claim 8 , further comprising program instructions to generate a visual signal to indicate presence of the PIM signals.

13. A method for detecting passive intermodulation (PIM) using a portable PIM analyzing device, the method comprising the steps of: transmitting, by a first component of the portable PIM analyzing device, first and second signals over a signal transmission medium under test; receiving, by a second component of the portable PIM analyzing device, reflected signals corresponding to the transmitted first and second signals; determining, by the second component of the portable PIM analyzing device, whether the frequencies of the received signals correspond to the PIM signal frequencies associated with the transmitted first and second signals.

14. The method of claim 13 , wherein the first signal has a first predetermined frequency and the second signal has a second predetermined frequency.

15. The method of claim 13 , wherein the first and second signals comprise narrowband signals.

16. The method of claim 13 , wherein the PIM signal frequencies associated with the transmitted first and second signals comprise at least third-order PIM signal frequencies that might be caused by the combined first and second signals.

17. The method of claim 13 , further comprising generating a visual signal indicating presence of the PIM signals to a device operator.

18. The method of claim 15 , wherein the first and second signals comprise time division multiple access transmissions (TDMA) signals.